The tested variant causes brown colouring of a nose (“livernose”), mucous membranes and claws. The inheritance is autosomal recessive (black allele and colour is dominant).
American Cocker Spaniel, Rhodesian Ridgeback, Welsh Corgi,
Gene and tested variants
TYRP1, (bs - c.991C>T; bc - c.121T>A; bd - c.1033_1035del)